GB291216A - Improvements in safety devices for use in connection with electrically heated elements - Google Patents
Improvements in safety devices for use in connection with electrically heated elementsInfo
- Publication number
- GB291216A GB291216A GB1297527A GB1297527A GB291216A GB 291216 A GB291216 A GB 291216A GB 1297527 A GB1297527 A GB 1297527A GB 1297527 A GB1297527 A GB 1297527A GB 291216 A GB291216 A GB 291216A
- Authority
- GB
- United Kingdom
- Prior art keywords
- capsule
- coupling
- connection
- pin
- tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0202—Switches
- H05B1/0205—Switches using a fusible material
Landscapes
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
291,216. Large, A. L. May 14, 1927. Addition to 269,969. Plug couplings.-The thermal cut-out of the parent Specification is improved or modified by the provision of means which prevent the connection of the two parts 1, 7 of the coupling if the safety capsule 12 has not been inserted or if the capsule has been inserted the wrong way round. For this purpose the detachable portion 1 of the coupling has fixed to it a pin 4 which is adapted to enter the open left hand end of the capsule 12 but which, if the capsule is the wrong way round, encounters its closed end 13. If the capsule 12 is absent altogether the pin 4 will encounter a spring pressed plunger 16 and so prevent connection. To insert the capsule into its hole in the part 7, an instrument (Figs. 3 and 4 not shown) adapted to depress the plunger 16 during insertion, may be used. In operation, when the solder connecting the tube 12 to its end piece 13 melts the spring 15 presses the tube 12 to the left and with it the part 1 of the coupling. The Provisional Specification states that the part 7 of the coupling may be connected to an immersion heater of the kind described in Specification 197,982, [Class 39 (iii), Heating by electricity].
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1297527A GB291216A (en) | 1927-05-14 | 1927-05-14 | Improvements in safety devices for use in connection with electrically heated elements |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1297527A GB291216A (en) | 1927-05-14 | 1927-05-14 | Improvements in safety devices for use in connection with electrically heated elements |
Publications (1)
Publication Number | Publication Date |
---|---|
GB291216A true GB291216A (en) | 1928-05-31 |
Family
ID=10014526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1297527A Expired GB291216A (en) | 1927-05-14 | 1927-05-14 | Improvements in safety devices for use in connection with electrically heated elements |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB291216A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1015551B (en) * | 1953-07-04 | 1957-09-12 | Bulpitt & Sons Ltd | Electrical heating device with plug-coupling that releases in the event of excess temperature |
DE2656554A1 (en) * | 1976-12-14 | 1978-06-15 | Neff Werke | Electrically heated domestic appliance socket - has blocking device automatically ejecting plug using push-rod for temperature above threshold |
-
1927
- 1927-05-14 GB GB1297527A patent/GB291216A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1015551B (en) * | 1953-07-04 | 1957-09-12 | Bulpitt & Sons Ltd | Electrical heating device with plug-coupling that releases in the event of excess temperature |
DE2656554A1 (en) * | 1976-12-14 | 1978-06-15 | Neff Werke | Electrically heated domestic appliance socket - has blocking device automatically ejecting plug using push-rod for temperature above threshold |
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